About 40% of the boys in Walter’s school commute to school by bicycle. What is the probability that you must select at least four boys to find one boy who commutes by bicycle?

Use the table of randomly generated numbers to answer the question. The numbers 0 to 3 represent boys who commute to school by bicycle, and the numbers 4 to 9 represent boys who do not commute by bicycle.

003 448 311 790 832
265 843 608 354 736
578 994 968 895 754
660 340 085 622 968
346 353 312 544 167
978 005 371 146 607
323 337 821 617 892
976 985 448 830 409
549 804 464 597 323
147 317 789 915 267
Based on this data, the estimated probability that it will take at least four boys to find one who commutes by bicycle is
.